CN203759930U - Teaching experiment apparatus based on touch screen and PLC - Google Patents
Teaching experiment apparatus based on touch screen and PLC Download PDFInfo
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- CN203759930U CN203759930U CN201420127026.8U CN201420127026U CN203759930U CN 203759930 U CN203759930 U CN 203759930U CN 201420127026 U CN201420127026 U CN 201420127026U CN 203759930 U CN203759930 U CN 203759930U
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Abstract
The utility model relates to a teaching experiment apparatus based on a touch screen and PLC. The teaching experiment apparatus is characterized in that the teaching experiment apparatus comprises an experimental circuit and a framework for bearing the experiment circuit; the experiment circuit comprises a switch power supply providing voltage of 24V and 5V for the apparatus, and the power of the switch power supply is supplied by one phase of a 380V three-phase AC power source and a zero line; the apparatus also comprises a first PLC, a second PLC and a PLC touch screen; the first PLC is connected to an air switch set, a stepping machine experiment module, a traffic lights experiment module, a servo motor experiment module, an LED color light experiment module, and a variable frequency motor experiment module; the first PLC, the second PLC, and the PLC touch screen are also connected to an Ethernet switch; The output terminal of the Ethernet switch is connected to an Ethernet communication module. The teaching experiment apparatus based on a touch screen and PLC is advantageous in that a learning platform is provided for students to learn PLC; the structure is simple; the demand of the current teaching practice can be met to the maximum degree.
Description
Technical field
The present invention relates to a kind of education experiment equipment, be specifically related to a kind of teaching experiment system based on touch-screen and PLC, belong to teaching aid apparatus field.
Background technology
At present, many colleges and universities have all offered programmable logic controller (PLC) course dynamo-electric with Electric Specialty, but books teaching still be take as main in most colleges and universities.Although a lot of colleges and universities carry out aided education by simulation software again, student still feels that content is abstract, indigestion.Especially relate on enterprise practical production link, the teaching of PLC is more difficult, cannot allow student reach the object of studying in order to practise.Current many high corrections are offered simple traffic lights control experiment, and this assay format is single, and content is simple, obviously can not meet the demand of students practise training.Therefore,, in the urgent need to researching and developing a kind of PLC experimental facilities with very strong Universal and scalability, to excite student's interest and innovation ability, better meet experimental teaching requirement.
At present, PLC controls experimental system following common several modes: the first, only configure PLC main frame, and with LED, show the I/O mouth state of PLC; The second, small-sized cabinet type, the control module that comprises a lot of classics, but be only small-sized base application, be difficult to combine with industrial actual production; The 3rd, the PLC experimental system of Highgrade integration, controlled device and real object are very approaching, and experiment effect is good, but involves great expense, and general volume is quite large, mobile inconvenient.
The application scenario that PLC is combined with motor in actual production link is quite extensive, and using touch-screen as host computer, the mode that PLC controls motor has become indispensable part in automatic industrial flow process, so add the study of the motor experimental system control method based on touch-screen and PLC to be very important in the teaching practice of dynamo-electric and Electric Specialty, meanwhile, design and invent a kind of motor experimental system based on touch-screen and PLC, the new type PLC experimental assembly that simultaneously also possesses classical PLC experiment module is instant.
Utility model content
For solving the deficiencies in the prior art, and meet the demand of current teaching practice, the utility model provides a kind of experiment device for teaching based on touch-screen and PLC, and the program that student can rely on this device debugging oneself to write, to reach the object of teaching.
The utility model adopts following scheme to realize: a kind of experiment device for teaching based on touch-screen and PLC, is characterized in that: comprise experimental circuit and carry the framework of this experimental circuit with one; Described experimental circuit is included as the Switching Power Supply that this device provides 24V and 5V, and described Switching Power Supply is powered by a phase and the zero line of 380V three-phase alternating-current supply; This device also comprises a PLC, the 2nd PLC and PLC touch-screen, and a described PLC is connected with air switch group, stepper experiment module, traffic lights experiment module, servomotor experiment module, LED color lamp experiment module and variable-frequency motor experiment module; A described PLC, the 2nd PLC and PLC touch-screen are also connected to an Ethernet switch; The output terminal of described Ethernet switch is connected with ethernet communication module.
In the utility model one embodiment, described framework is built-in with DIN guide rail, the integrated described experimental circuit of a side of this DIN guide rail, and opposite side arranges each connection terminal of experimental circuit.
In the utility model one embodiment, described base of frame is provided with the universal nylon castor that can brake.
In the utility model one embodiment, described framework is set up and is formed by carbon steel plate welding, and alramenting electrostatic plastic spraying is processed.
Usefulness of the present utility model is:
1, adopt the experimental system of modular design to there is very strong expansion, not only can dismantle at any time and assemble electric elements, and the operation circuit of whole experimental system can freely build, make it to carry out more PLC education experiment, thereby improve student's engineering practice level.
2, this PLC experimental system has the human interface devices of relating to " touch-screen ", can carry out PLC more comprehensively and control realization, increases abundant configuration programming software learning simultaneously, makes student learn to solve a bit the man-machine interaction problem of simple PLC.
3, hardware configuration of the present utility model can support two kinds of PLC and touch-screen to communicate by letter and control mode, and can realize by the interface cable of two R232, also can be carried out data transmission and be communicated by letter by Ethernet.In the positive module of experimental system, Ethernet switch is housed, to realize the exchanges data of PLC multimachine.
4, now PLC experimental system on the market does not much combine with enterprise production link, now a lot of PLC go the motion of controlling various motors to realize industrial needs as controller, the utility model combines stepping and servomotor, and frequency converter and squirrel-cage threephase asynchronous, although this may strengthen the cost consumption of experimental system, this certainly makes student further recognize the practice of PLC.
5, the utility model adopts the universal nylon castor that can brake, and makes the system can latched position and adjust flexibly.
Accompanying drawing explanation
Fig. 1 is the utility model circuit structure principle schematic.
Fig. 2 is the rear view of system global structure.
Fig. 3 is the vertical view of system global structure.
Wherein: 1, LED color lamp experiment module, 2, rotating switch, 3, touch-switch, 4, the special-purpose DIN guide rail of Siemens PLC C, 5, client PLC, 6, trough, 7, air switch group, 8,35*7.5*1mm DIN guide rail, 9, frequency converter; 10, stepper motor driver; 11, motor servo driver; 12, squirrel-cage asynchronous motor; 13, the universal nylon castor that can brake; 14, stepper motor, 15, servomotor and scrambler thereof, 16, Switching Power Supply (5V); 17, Switching Power Supply (24V); 18, Siemens's ethernet communication module, 19, the CPU module of Siemens, 20, charactron module; 21, relay; 22, Ethernet switch, 23, traffic lights experiment module, 24, PLC touch-screen; 25, circuit protection cover, 26, terminals.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Refer to Fig. 1, the present embodiment provides a kind of experiment device for teaching based on touch-screen and PLC, it is characterized in that: comprise experimental circuit and carry the framework of this experimental circuit with one; Described experimental circuit is included as the Switching Power Supply that this device provides 24V and 5V, and described Switching Power Supply is powered by a phase and the zero line of 380V three-phase alternating-current supply; This device also comprises a PLC, the 2nd PLC and PLC touch-screen, and a described PLC is connected with air switch group, stepper experiment module, traffic lights experiment module, servomotor experiment module, LED color lamp experiment module and variable-frequency motor experiment module; A described PLC, the 2nd PLC and PLC touch-screen are also connected to an Ethernet switch; The output terminal of described Ethernet switch is connected with ethernet communication module.
Refer to Fig. 2 and Fig. 3, in the present embodiment, above-mentioned LED color lamp experiment module 1 is positioned at the positive top-left position of experiment table (framework), always have four row's elements, topmost two rows are red and each five of green LED lamp successively, are that five switches of a row and are arranged five self-replaced type pushbutton switches below.Here can realize that PLC running lamp is controlled, the rise-Bao of motor-stop some PLC simple experiment operations such as experiment.Make student from these simple experiment programming and operation, in conjunction with the knowwhy of teaching material, realize the ultimate principle of programmable logic controller (PLC).
PLC touch-screen 24 is arranged in upper position, experiment table front, Si Ge angle, the back side utilizes buckle and screw to be fixed on casing, can use picture configuration software to carry out picture design to touch-screen, also can carry out real-time pictures monitoring to various experiment processes simultaneously, in the lower right of touch-screen, it is Ethernet switch, by using switch, can realize the Multistage Control of multi-computer communication and touch-screen, so not only make the flow process of whole experiment more perfect, and make student further go deep into PLC practical application.
Traffic lights experiment module 23 is positioned at the positive upper-right position of experiment table, traffic lights are respectively to indicate with LED, whole module carries gauge tap, each lamp all can be connected with the delivery outlet of PLC, student can realize the crossroad access lamp in life by writing corresponding program, and this mode shape is simple, and experiment programming easily, is that student begins to learn one of indispensable module of PLC.
Charactron experiment module 20 is positioned at experiment table centre position, be fixed on the right of total air switch group 7, whole equipment is when unused state, be shown as is one red 8, the back side in this experimental system of this equipment has corresponding wiring, can be connected with corresponding I/O mouth in laboratory, realize the demonstration of 0-10 numeral, can complete basic PLC digital lamp experiment.
Electric machinery experiment module is mainly positioned at the below in experiment table front, is divided into stepper motor experiment module, servomotor experiment module, frequency converter motor experiment module.This module has related to electric and mechanical enterprise and has produced motor and the driver relating generally to, and suitable perfect in safeguard measure, has adopted protective cover and fixed terminal, and motor is fixed and proofing dust and protecting.
This power supply has come to four classes: 380V three-phase alternating current, 220V/50HZ AC power, 24V direct supply, 5V direct supply.The initial power supply of whole PLC experimental system is 380V three-phase alternating current, and what frequency converter used is exactly 380V three-phase alternating-current supply.By any lift-launch one phase 380V power and ground two lines, be connected with voltage stabilizer, can realize and draw 220V AC power, servo-driver, Switching Power Supply, Ethernet switch are all to use 220V power supply.By 24V and 5V Switching Power Supply, by 220V voltage transitions, be two kinds of low-voltage dc power supplies of 24V and 5V.Traffic lights experiment module, charactron experiment module, stepper motor driver are all to adopt 5V DC voltage; What PLC, touch-screen, LED color lamp experiment module, ethernet communication module were all used is 24V direct supply.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (4)
1. the experiment device for teaching based on touch-screen and PLC, is characterized in that: comprise experimental circuit and carry the framework of this experimental circuit with one; Described experimental circuit is included as the Switching Power Supply that this device provides 24V and 5V, and described Switching Power Supply is powered by a phase and the zero line of 380V three-phase alternating-current supply; This device also comprises a PLC, the 2nd PLC and PLC touch-screen, and a described PLC is connected with air switch group, stepper experiment module, traffic lights experiment module, servomotor experiment module, LED color lamp experiment module and variable-frequency motor experiment module; A described PLC, the 2nd PLC and PLC touch-screen are also connected to an Ethernet switch; The output terminal of described Ethernet switch is connected with ethernet communication module.
2. the experiment device for teaching based on touch-screen and PLC according to claim 1, is characterized in that: described framework is built-in with DIN guide rail, the integrated described experimental circuit of a side of this DIN guide rail, and opposite side arranges each connection terminal of experimental circuit.
3. the experiment device for teaching based on touch-screen and PLC according to claim 1, is characterized in that: described base of frame is provided with the universal nylon castor that can brake.
4. the experiment device for teaching based on touch-screen and PLC according to claim 1, is characterized in that: described framework is set up and formed by carbon steel plate welding, and alramenting electrostatic plastic spraying is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127026.8U CN203759930U (en) | 2014-03-20 | 2014-03-20 | Teaching experiment apparatus based on touch screen and PLC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420127026.8U CN203759930U (en) | 2014-03-20 | 2014-03-20 | Teaching experiment apparatus based on touch screen and PLC |
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| Publication Number | Publication Date |
|---|---|
| CN203759930U true CN203759930U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420127026.8U Expired - Fee Related CN203759930U (en) | 2014-03-20 | 2014-03-20 | Teaching experiment apparatus based on touch screen and PLC |
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| CN (1) | CN203759930U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597879A (en) * | 2015-01-05 | 2015-05-06 | 柳州铁道职业技术学院 | Touch-screen control inverter speed regulation training system |
| CN106601100A (en) * | 2017-03-02 | 2017-04-26 | 湖北工业大学 | Autonomous PLC teaching experiment equipment |
| CN107276376A (en) * | 2017-06-26 | 2017-10-20 | 北京通州开关有限公司 | A kind of multifunctional power instrument teaching experiment system |
| CN107831725A (en) * | 2017-11-16 | 2018-03-23 | 王会会 | A kind of PLC teaching platforms |
-
2014
- 2014-03-20 CN CN201420127026.8U patent/CN203759930U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104597879A (en) * | 2015-01-05 | 2015-05-06 | 柳州铁道职业技术学院 | Touch-screen control inverter speed regulation training system |
| CN106601100A (en) * | 2017-03-02 | 2017-04-26 | 湖北工业大学 | Autonomous PLC teaching experiment equipment |
| CN107276376A (en) * | 2017-06-26 | 2017-10-20 | 北京通州开关有限公司 | A kind of multifunctional power instrument teaching experiment system |
| CN107831725A (en) * | 2017-11-16 | 2018-03-23 | 王会会 | A kind of PLC teaching platforms |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20200320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |